.wx_nav{
  width: 100%;
  height: 64rem/@baseFontSize;
  border-bottom: 2rem/@baseFontSize solid darkgray;
  ul{
    width: 100%;
    height: 64rem/@baseFontSize;
    padding-left: 5.2%;
    padding-right: 5.4%;
    text-align: center;
    line-height:64rem/@baseFontSize ;
    li{
      float: left;
      width: 100%/3;

       a{
         display: block;
         width: 100%;
         height:64rem/@baseFontSize ;
         font-size: 26rem/@baseFontSize;
         font-family: PingFang-SC-Medium;
         color: black;
         &.bco{
           border-bottom: 1rem/@baseFontSize solid red ;
         }

       }

    }

  }
}